Sustainable Energy - Without the Hot Air
3.3. Smarter heating http://www.ck12.org Each of the filled dots shows actual average performances of CHP systems in the UK, gro ...
http://www.ck12.org Chapter 3. Making A Difference The steep green lines show the combinations of electricity and heat that you ...
3.3. Smarter heating http://www.ck12.org installed in the buildings. The heat-pump solution has further advantages that should b ...
http://www.ck12.org Chapter 3. Making A Difference Some urban areas per person. Let’s put some numbers into this discussion. How ...
3.3. Smarter heating http://www.ck12.org Another objection to heat pumps is “oh, we can’t approve of people fitting efficient ai ...
http://www.ck12.org Chapter 3. Making A Difference pump water-heater called Eco Cute with a coefficient of performance of 4.9. T ...
3.4. Efficient electricity use http://www.ck12.org 3.4 Efficient electricity use Can we cut electricity use? Yes, switching off ...
http://www.ck12.org Chapter 3. Making A Difference Figure 22.2:Efficiency in the offing. I measured the electricity savings from ...
3.4. Efficient electricity use http://www.ck12.org Figure 22.3:My cumulative domestic electricity consumption, in kWh, each year ...
http://www.ck12.org Chapter 3. Making A Difference 3.5 Sustainable fossil fuels? It is an inescapable reality that fossil fuels ...
3.5. Sustainable fossil fuels? http://www.ck12.org We can compare this “sustainable” coal-burning rate – 1.6 Gt per year – with ...
http://www.ck12.org Chapter 3. Making A Difference Let’s repeat his calculation for the world as a whole. In 2006, the coal cons ...
3.6. Nuclear? http://www.ck12.org 3.6 Nuclear? We made the mistake of lumping nuclear energy in with nuclear weapons, as if all ...
http://www.ck12.org Chapter 3. Making A Difference of fuel and waste that must be dealt with at a nuclear reactor can be up to o ...
3.6. Nuclear? http://www.ck12.org of water, which adds up to 4.5 billion tons worldwide. I called the uranium in the ocean “reco ...
http://www.ck12.org Chapter 3. Making A Difference Figure 24.4:Three Mile Island nuclear power plant. Fast breeder reactors, usi ...
3.6. Nuclear? http://www.ck12.org 4 .5 billion tons per planet 162 tons uranium per GW-year =28 million GW-years per planet. How ...
http://www.ck12.org Chapter 3. Making A Difference What about costs? As usual in this book, my main calculations have paid littl ...
3.6. Nuclear? http://www.ck12.org Thorium reactors deliver 3.6 billion kWh of heat per ton of thorium, which implies that a 1 GW ...
http://www.ck12.org Chapter 3. Making A Difference Figure 24.9:Sizewell’s power stations. Sizewell A, in the foreground, had a c ...
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